HSL(237, 63%, 50%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(237,63%,50%)]

Color Conversions

Format Value CSS Usage
HSL hsl(237, 63%, 50%) color: hsl(237, 63%, 50%)
HEX #2F37D0 color: #2F37D0
RGB rgb(47, 55, 208) color: rgb(47, 55, 208)
CMYK cmyk(77%, 74%, 0%, 18%)
HSV hsv(237, 77%, 82%)
HWB hwb(237 19% 18%) color: hwb(237 19% 18%)
OKLCH oklch(0.4495 0.2276 270.61) color: oklch(0.4495 0.2276 270.61)
Lab lab(33.75 49.11 -78.6) color: lab(33.75 49.11 -78.6)
LCH lch(33.75 92.68 302) color: lch(33.75 92.68 302)

Color Theory

Complementary

Triadic

Analogous

Tetradic (Square)

Split-Complementary

Accessibility (WCAG)

White text on color

Black text on color

Color on white bg

Colored text

Contrast Ratios

vs White 8.15:1
vs Black 2.58:1

AA Normal (4.5:1)

on White: PASS ✓ on Black: FAIL ✗

AA Large (3:1)

on White: PASS ✓ on Black: FAIL ✗

AAA Normal (7:1)

on White: PASS ✓

Best text on this color: white

Color Blindness Simulation

Protanopia (Red-blind)

#3233AB — rgb(50, 51, 171)

Deuteranopia (Green-blind)

#3231A2 — rgb(50, 49, 162)

Tritanopia (Blue-blind)

#2F8E87 — rgb(47, 142, 135)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(237, 63%, 50%);

text

color: hsl(237, 63%, 50%);

border

border: 2px solid hsl(237, 63%, 50%);

gradient light

background: linear-gradient(to right, hsl(237, 63%, 70%), hsl(237, 63%, 50%));

gradient dark

background: linear-gradient(to right, hsl(237, 63%, 50%), hsl(237, 63%, 30%))

hex

background-color: #2F37D0;

tailwind

bg-[hsl(237,63%,50%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(237, 63%, 50%, 0.4);

css variable

--color-primary: hsl(237, 63%, 50%);

Related Colors

Use Cases for Blue

Corporate branding Trust signals Tech products Social media Primary buttons

Frequently Asked Questions

What are all the color codes for HSL(237, 63%, 50%)?

HEX: #2F37D0 | RGB: rgb(47, 55, 208) | CMYK: 77%, 74%, 0%, 18% | HSV: 237°, 77%, 82%. Copy any format from the conversion table above.

What colors go well with #2F37D0?

The complementary color is HSL(57, 63%, 50%). For a triadic harmony, use hues 237°, 357°, and 117°. For analogous combinations, try hues 207° and 267°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(237, 63%, 50%) in CSS?

As HSL: color: hsl(237, 63%, 50%); — As HEX: color: #2F37D0; — As RGB: color: rgb(47, 55, 208); — Tailwind CSS: bg-[hsl(237,63%,50%)] — CSS variable: --color-primary: hsl(237, 63%, 50%);